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chore(testing): migrate test harness off deprecated inlineDynamicImports#9710

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06-10-chore_testing_code_splitting_variant
Jun 10, 2026
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chore(testing): migrate test harness off deprecated inlineDynamicImports#9710
IWANABETHATGUY merged 1 commit into
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06-10-chore_testing_code_splitting_variant

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@IWANABETHATGUY IWANABETHATGUY commented Jun 10, 2026

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Summary

The public JS API keeps inlineDynamicImports only as a deprecated Rollup-compat alias for codeSplitting: false (output-options.ts marks it @deprecated, the binding inverts it into the core code_splitting option). The Rust core has no inline_dynamic_imports anymore — but the test harness still exposed the old name on ConfigVariant and performed the bool inversion itself.

Changes

  • rolldown_testing_config: replace ConfigVariant.inline_dynamic_imports: Option<bool> with code_splitting: Option<CodeSplittingMode>, passed through directly (no inversion); the variant description uses the mode's Display (enabled/disabled).
  • issues/4289/_config.json: variant {"inlineDynamicImports": true}{"codeSplitting": false}. The variant's bundled output is byte-identical — only the snapshot header changes to [code_splitting: disabled].
  • issues/9651/_config.json: update _comment prose to match its own config (already codeSplitting: false).
  • link_stage/mod.rs: fix a stale comment referencing the deprecated option name.
  • _config.schema.json: regenerated by build.rs; editors validating _config.json now suggest codeSplitting instead of the removed field.

Since ConfigVariant uses deny_unknown_fields, any fixture still using the old name would fail loudly — none remain. No public API change: the deprecated JS alias is untouched.

🤖 Generated with Claude Code

The public JS API keeps `inlineDynamicImports` only as a deprecated
Rollup-compat alias for `codeSplitting: false`; the Rust core has no such
option anymore. The test harness still exposed the old name on
`ConfigVariant` and inverted it into `CodeSplittingMode` itself.

Replace the variant field with `codeSplitting` (passed through directly),
update the two fixtures referencing the old name, refresh the generated
`_config.schema.json`, and fix a stale code comment in the link stage.
The 4289 variant output is byte-identical; only its snapshot header
changes to `[code_splitting: disabled]`.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

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@IWANABETHATGUY IWANABETHATGUY requested a review from hyf0 June 10, 2026 12:47
@IWANABETHATGUY IWANABETHATGUY marked this pull request as ready for review June 10, 2026 12:47
@codspeed-hq

codspeed-hq Bot commented Jun 10, 2026

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Merging this PR will not alter performance

✅ 4 untouched benchmarks
⏩ 10 skipped benchmarks1


Comparing 06-10-chore_testing_code_splitting_variant (1ba4011) with main (289c520)

Open in CodSpeed

Footnotes

  1. 10 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports.

@IWANABETHATGUY IWANABETHATGUY merged commit 76e539d into main Jun 10, 2026
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@IWANABETHATGUY IWANABETHATGUY deleted the 06-10-chore_testing_code_splitting_variant branch June 10, 2026 12:59
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Deploy Preview for rolldown-rs canceled.

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🔨 Latest commit 1ba4011
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@shulaoda shulaoda mentioned this pull request Jun 11, 2026
@rolldown-guard rolldown-guard Bot mentioned this pull request Jun 11, 2026
shulaoda pushed a commit that referenced this pull request Jun 11, 2026
## [1.1.1] - 2026-06-11

### 🚀 Features

- ecmascript_utils: introduce AstFactory for AST construction (#9682) by @hyf0
- drop no-op init calls for empty wrapped-ESM modules (#9678) by @IWANABETHATGUY

### 🐛 Bug Fixes

- resolver: honor package.json#type for .jsx/.tsx extensions (#9690) (#9699) by @IWANABETHATGUY
- hmr: report the full-reload reason for the invalidate-loop case (#9708) by @hyf0
- explicit `moduleSideEffects` from a hook must take priority over the `package.json#sideEffects` (#9688) by @sapphi-red
- keep the `rolldown-runtime` name for the standalone runtime chunk (#9685) by @shulaoda
- lazy-barrel: request all exports for entry barrels on first encounter (#9672) by @shulaoda
- finalizer: skip init_*() for tree-shaken wrapped ESM owners (#9669) by @IWANABETHATGUY
- order `chunk.imports` by execution order (#9654) by @chuganzy
- vite-resolve: preserve slash separators for Sass partial exports (#9546) by @cjc0013
- cross-chunk CJS wrapper shadowed by author-local binding (#9648) by @IWANABETHATGUY

### 🚜 Refactor

- precompute wrapped-ESM init metadata in generate stage (#9712) by @IWANABETHATGUY
- ecmascript_utils: fold construction ext traits onto AstFactory and delete AstSnippet (#9702) by @hyf0
- finalizer: finish ScopeHoistingFinalizer migration to AstFactory (#9701) by @hyf0
- finalizer: migrate module_finalizers/mod.rs to AstFactory (#9700) by @hyf0
- hmr: migrate hmr finalizer to AstFactory (#9695) by @hyf0
- plugin: migrate vite_build_import_analysis to AstFactory (#9693) by @hyf0
- scanner: migrate tweak_ast_for_scanning to AstFactory (#9683) by @hyf0
- always split runtime module first (#9419) by @IWANABETHATGUY

### 📚 Documentation

- tsconfig: correct auto-discovery resolution to match TypeScript (#9714) by @shulaoda
- design: plan to unify all internal AST construction (#9673) by @hyf0
- tsconfig: align reference resolution docs with TypeScript behavior (#9641) by @shulaoda

### ⚡ Performance

- avoid per-module join Strings in scope-hoisting concatenation (#9645) by @Boshen
- avoid intermediate Strings in the ESM export clause (#9644) by @Boshen
- reuse a scratch buffer for facade namespace names in the scanner (#9642) by @Boshen
- reuse the import-matching tracker stack across named imports (#9643) by @Boshen
- avoid cloning the per-chunk export-items map in render_chunk_exports (#9639) by @Boshen
- avoid CompactStr allocation in sorted-exports membership check (#9640) by @Boshen

### 🧪 Testing

- add more `moduleSideEffects` precedence tests (#9689) by @sapphi-red
- 9651: drop shimMissingExports from regression fixture (#9674) by @IWANABETHATGUY

### ⚙️ Miscellaneous Tasks

- update react repo links (#9711) by @iiio2
- remove outdated pnpm configurations (#9666) by @btea
- deps: update github actions to v2.81.5 (#9665) by @renovate[bot]
- testing: migrate test harness off deprecated inlineDynamicImports (#9710) by @IWANABETHATGUY
- hmr: delete commented-out dead code left from old register-module codegen (#9707) by @hyf0
- deps: update napi-rs toolchain (#9706) by @shulaoda
- deps: update rollup submodule for tests to v4.61.1 (#9676) by @rolldown-guard[bot]
- deps: update test262 submodule for tests (#9677) by @rolldown-guard[bot]
- deps: update oxc to 0.135.0 (#9670) by @Boshen
- pass ALGOLIA_APP_ID and ALGOLIA_API_KEY to void deploy (#9667) by @Boshen
- deps: update github actions (#9662) by @renovate[bot]
- deps: update rust crates (#9663) by @renovate[bot]
- deps: update rolldown-plugin-dts to v0.25.2 (#9661) by @renovate[bot]
- deps: update typos to v1.47.2 (#9660) by @renovate[bot]
- deps: update docs dependencies (#9657) by @bddjr
- deps: update typos to v1.47.1 (#9655) by @renovate[bot]
- deploy website in its own workflow, only on docs output change (#9650) by @Boshen
- publish to pkg.pr.new add pm and `commentWithDev` option (#9638) by @btea

### ❤️ New Contributors

* @chuganzy made their first contribution in [#9654](#9654)
* @cjc0013 made their first contribution in [#9546](#9546)
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2 participants